Steffy (Jacqueline MacInnes Wood), Wyatt (Darin Brooks), Liam (Scott Clifton) and Eric (John McCook) are all prepared to head to Monte Carlo for the Spencer Summit, but they could find an unexpected stowaway trying to hijack their trip on The Bold and the Beautiful.

Steffy, Wyatt and Liam are going in Bill's place to the event for his company, and Wyatt and Steffy invited Eric along as well, but when Wyatt's mother, Quinn (Rena Sofer) hears about the trip, she may feel compelled to also go along, even though she is not wanted by either Steffy or Liam, and could risk the relationship she secretly has with Eric by doing so.

As she prepares to leave, Deacon (Sean Kanan) will once again try to talk some sense into her and get her to see how she's acting is wrong and not worth the heartache she could cause herself, but Quinn will refuse to listen. Her determination will then frustrate her ex, who will be dismayed that she can't see the trouble she's bringing herself by sneaking along on the trip.

"Can you please explain to me how it is that a woman so intelligent can be so naïve?" He asks in a preview clip for the Friday, July 22 episode.

Meanwhile, after her latest stunt where she snuck into Forrester and pretended to be a Russian computer repairman (in an attempt to celebrate with Eric over his being CEO again), which was thwarted by an enraged Steffy, Liam is expecting Quinn to do something else just as crazy. And as he and Eric prepare to take off on the Spencer jet for the trip, he will confide in him about how he hopes whatever Quinn has up her sleeve next will be the thing that finally makes Steffy see the light and end her marriage to Wyatt so she can reunite with him.

"She's going to do something. She's going to do something that pushes Steffy over the edge," Liam says in the clip. "And the only silver lining that I can see is that maybe, it will push her back where she belongs."

The Bold and the Beautiful airs Monday-Friday at 1:30 p.m. on CBS.

Tags: The Bold and the Beautiful CBS Soap Operas